Grease injection control heads incorporate specialized flow tube seals and pack-off elements for greaseless or conventional wireline operations. In Australia, these seals use viscous grease to lubricate and seal the cable interface, reducing friction and wear. Advanced designs feature multiple seal stages to accommodate cable diameters from 0.092" to 0.125", critical for logging and p... https://globalsealstech.com/seals-for-wireline/